Adapter plate



FIG. 1 is a perspective front view of an “adapter plate” showing my new design;

FIG. 2 is a perspective rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof the opposite side being identical thereto;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for “adapter plate, ” as shown and described. 